Patient interface



FIG. 1 is a front perspective view of a patient interface showing a first embodiment of our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front perspective view of a patient interface showing a second embodiment of our new design;

FIG. 10 is a front elevation view thereof;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a left side elevation view thereof;

FIG. 15 is a right side elevation view thereof; and,

FIG. 16 is a rear perspective view thereof.

The broken lines represent portions of the patient interface that do no form part of the claimed design.

The combination of line shading and stippling is to convey a contrast in appearance/material. 

CLAIM The ornamental design for a patient interface, as shown and described. 